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Finding the Fourth Proportional to 17,344.79, 26,017.15 and 13,401.78

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Solution

The fourth proportional to 17,344.79, 26,017.15 and 13,401.78 is: 20,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,344.79 : 26,017.15 = 13,401.78 : x
  2. Step 2: Convert to fraction form
    17,344.79/26,017.15 = 13,401.78/x
  3. Step 3: Cross multiply
    17,344.79x = 26,017.15 × 13,401.78
  4. Step 4: Simplify right side
    17,344.79x = 348,676,120.53
  5. Step 5: Solve for x
    x = 348,676,120.53/17,344.79
  6. Step 6: Final answer
    x = 20,102.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.